Ensure your truck is Ready for the Road Ahead with the Bendix MV-3 Push/Pull Control Module Dash Valve, a product that offers seamless controls of your air brakes. To provide easier access for daily use and emergency situations, this replacement valve is operated by a hand control that adjusts your brakes' air supply. Fashioned with two color-coded and heat-resistant buttons that apply/release air to the trailer air supply and parking brake. FleetPride is your First Click in Heavy Duty .